1 . Several companies are ______ (竞争) for the contract now. (根据汉语提示单词拼写)

2 . The mushroom development of technology will _______ _______ _______ _______improving our economy.
科学技术的迅猛发展将为我们改善经济状况铺平道路。

3 . You solved one problem and another would immediately __________ ___________.
你解决完一个问题，另一个问题又会马上冒出来。

4 . There is __________ ____________ of a link between exposure to sun and skin cancer.
令人信服的证据表明日光曝晒与皮肤癌之间有联系。

5 . It took him a while to_______ _______ _____his new surroundings.
他过了好一阵子才适应了新环境。

6 . Medicine should not be kept where it ___ __________ ___ children.
药物不应放在容易被小孩拿到的地方。

7 . There is ___ ______ ____________among employers to hire casual staff.
雇主雇用临时职员有增加的趋势。

8 . He left England ______ _____ ________ _______ travelling in Africa.(带着去非洲旅行的目的) （根据汉语提示完成句子）

9 . Mothers are often the ones who provide _______ _________for the family.
母亲通常是家庭的情感支柱。

10 . He ___ ______ _____ ____ at the driver of the other car.(做了个粗鲁的手势) （根据汉语提示完成句子）